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How to use auto-layout to move other views when a view is hidden?
...iews, even though they don't draw, still participate in Auto Layout and usually retain their frames, leaving other related views in their places.
When removing a view from its superview, all related constraints are also removed from that view hierarchy.
In your case, this likely means:
If you se...
How to vertically center content with variable height within a div?
What is the best way to vertically center the content of a div when the height of the content is variable. In my particular case, the height of the container div is fixed, but it would be great if there were a solution that would work in cases where the container has a variable height as well. Also...
Mac OSX Lion DNS lookup order [closed]
... that file very light.
One advantage of running something like dnsmasq locally (besides the significant performance boost) is that you can redirect whole top-level domains back to your local machine. This allows you to have the whole *.dev namespace for development (for instance), without having to...
Can CSS detect the number of children an element has?
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No. Well, not really. There are a couple of selectors that can get you somewhat close, but probably won't work in your example and don't have the best browser compatibility.
:only-child
The :only-child is one of the few true counting sele...
Loop through an array in JavaScript
...ns
Too verbose
Imperative
Easy to have off-by-one errors (sometimes also called a fence post error)
2. Array.prototype.forEach
The ES5 specification introduced a lot of beneficial array methods, one of them, the Array.prototype.forEach and it gives us a concise way to iterate over an array:
co...
Parse rfc3339 date strings in Python? [duplicate]
I have a datasets where all the dates have the following format:
3 Answers
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Convert two lists into a dictionary
... elements. {k:v} or {**mapping} will construct a dict, but that's syntactically quite distinct.
– Dan Lenski
Aug 28 '19 at 16:41
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How do I iterate over a range of numbers defined by variables in Bash?
...echo $i; done
edit: I prefer seq over the other methods because I can actually remember it ;)
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Why can't a text column have a default value in MySQL?
...hat frustrating, as I want a default value!). Anybody know why this is not allowed?
7 Answers
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“VT-x is not available” when i start my Virtual machine [closed]
...mory resolved my issue, why does that work? I am on a virtual machine installing a virtual machine. Inception.
– Jacek Trociński
Nov 6 '15 at 12:04
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